Z-shaped rectangular-section anti-skidding pile and construction method thereof

Abstract

The invention discloses a Z-shaped rectangular-section anti-skidding pile and a construction method of the Z-shaped rectangular-section anti-skidding pile. The Z-shaped rectangular-section anti-skidding pile comprises a vertical pile body, a back side horizontal haunched beam and a face side horizontal haunched beam, and further comprises a back side inclined support and a face side inclined support, wherein the back side horizontal haunched beam is arranged on the back side of the vertical pile body, and the face side horizontal haunched beam is arranged on the face side of the vertical pile body. The Z-shaped rectangular-section anti-skidding pile and the construction method of the Z-shaped rectangular-section anti-skidding pile have the advantages that by combining the stress mode of the anti-skidding pile, the pile body bending moment and the space distribution characteristics of shearing force, the self-weight pressure of soil bodies at the back of and in front of the pile, the pressure resistance of a good ground and the weight-bearing skidding resistance of the horizontal haunched beams are fully played, the stress intensity of the pile body is effectively improved, and the bending resistance and shearing resistance of the anti-skidding pile are improved. The Z-shaped rectangular-section anti-skidding pile is simple in structural form, high in anti-skidding performance, easy to construct, suitable for a high steep slope or a foundation pit support project, and also suitable for a large landslide control project. The construction method of a manual hole digging pile is adopted and has the advantages of being high in bending resistance and shearing resistance, simple in process, high in quality reliability, low in manufacturing cost and the like.

Description

technical field [0001] The invention relates to the technical field of large-scale landslide control, high and steep vertical slopes and foundation pit support, in particular to a Z-shaped rectangular cross-section anti-slide pile and a construction method thereof. Background technique [0002] At present, the measures to control landslides and slopes mainly include drainage, retaining, anchoring, weight reduction and back pressure. Among them, the anti-slide pile support measures are widely used in landslide control and slope protection projects because of their own advantages such as high rigidity, good self-stabilization performance, convenient construction, and obvious reinforcement effect. The working principle of the anti-slide pile is mainly to balance the landslide thrust or slope soil pressure of the rock-soil mass in the free section by means of the embedding effect and passive resistance of the rock-soil mass in the embedded section, and at the same time use the ...

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Problems solved by technology

The measure of increasing the cross-sectional area of ​​anti-slide piles and the amount of reinforcement is not only a large amount of engineering, high treatment costs, and easy to cause project waste, but also when constrained by the red line of the land or the space of existing buildings, the on-site construction is difficult, which limits the traditional anti-slide The effective use of sliding piles; the measures of setting prestressed anchor cables on the pile body, due to the high cost of anchor cables, cumbersome construction procedures, and the prestress of anchor cables will easily cause relaxation loss with the increase of time, for permanent landslide or slope treatment Engineering its reliability is obviously insufficient

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